Passive: Passive: Grants bonus cooldown reduction.
Cooldown Reduction: 2/4/6/8/10%
Active: Plants a seed at a target point, granting sight of a small area around it. Zyra periodically regenerates seeds and can hold up to 2 seeds at any given time. Zyra cannot plant any more than 4 seeds at a time.
After 1.5 seconds, enemy champions may stand on seeds to destroy them. Destroying a seed will grant true sight of the enemy champion for 2 seconds.
If Zyra's spells hit a seed they will sprout into a plant, automatically attacking nearby enemies for 10 seconds. Plant damage is based on Zyra's level. Extra plants striking the same target deal 50% less damage.
Zyra periodically stores seeds and she can hold up to 2 seeds at any given time. Zyra cannot plant any more than 4 plants at a time.
Cast spells on seeds to grow plants. Plant damage is based on Zyra's level. Extra plants striking the same target deal 25% less damage.
Cost: 1 seed
No Cooldown
Seed Recharge Time: 17/16/15/14/13 seconds

Active: Summons the fury of nature, growing a twisted thicket at the target location which deals magic damage to all enemies in the area as it expands. After 2 seconds, the vines snap upward knocking enemies into the air for 1.25 seconds.
Rampant Growth: Plants within the thicket are enraged, increasing their attack speed by 50%.
Cost: 100/120/140 mana
Cooldown: 130/120/110 seconds
Magic Damage: 180/265/350 (+0.7 per ability power)
Rampant Growth: Plants within the thicket are enraged, increasing their attack speed by 50%.

Core items

Rabadon's Deathcap

+120 Ability Power
Unique: +35% ability power

Rylai's Crystal Scepter

+400 Health
+100 Ability Power
UNIQUE Passive: Damaging spells and abilities apply a Movement Speed reduction to enemies based on the spell type:
Single Target: 40% reduction for 1.5 seconds.
Area of Effect: 40% reduction for 1 seconds.
Damage over Time or Multi-hit: 20% reduction for 1 seconds.
Summoned Minions: 20% reduction for 1 seconds.
(If a spell fits in more than one category, it uses the weakest slow value.)

+400 Health
+100 Ability Power
UNIQUE Passive: Damaging spells and abilities apply a Movement Speed reduction to enemies based on the spell type:
Single Target: 40% reduction for 1.5 seconds.
Area of Effect: 40% reduction for 1 seconds.
Damage over Time or Multi-hit: 20% reduction for 1 seconds.
Summoned Minions: 20% reduction for 1 seconds.
(If a spell fits in more than one category, it uses the weakest slow value.)

+100 Ability Power
+45 Armor
UNIQUE Active - Stasis: Champion becomes invulnerable and untargetable for 2.5 seconds, but is unable to move, attack, cast spells, or use items during this time (90 second cooldown).

Rylai's Crystal Scepter

+400 Health
+100 Ability Power
UNIQUE Passive: Damaging spells and abilities apply a Movement Speed reduction to enemies based on the spell type:
Single Target: 40% reduction for 1.5 seconds.
Area of Effect: 40% reduction for 1 seconds.
Damage over Time or Multi-hit: 20% reduction for 1 seconds.
Summoned Minions: 20% reduction for 1 seconds.
(If a spell fits in more than one category, it uses the weakest slow value.)